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3819 TOP ROCK LN, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath1,760 sqftBuilt 1999

Property at a Glance

This home is estimated between $342,287 and $522,989, with a best estimate of $385,069. That places the property above the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194, in a neighborhood that declined 10.9% over the past year.

Estimated Value Range

$342,287 $522,989
Best Estimate
$385,069
WCAD Value
$336,120
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R107503F - PRESERVE AT STONE OAK - PH 3 & 4, this home's estimated market value is between $342,287 and $522,989. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3730 TOP ROCK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,036 sqft Built 1996
Raw Value $425,124
Adjusted Value $364,736

Adjusted -$56,186 for 276 sqft less living space and -$4,202 for being older. Net adjustment: -$60,388.

3734 TOP ROCK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,236 sqft Built 1996
Raw Value $282,599
Adjusted Value $385,069

Adjusted +$106,672 for 524 sqft more living space and -$4,202 for being older. Net adjustment: +$102,470.

3768 TOP ROCK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,540 sqft Built 1999
Raw Value $297,501
Adjusted Value $342,287

Adjusted +$44,786 for 220 sqft more living space. Net adjustment: +$44,786.

3742 TOP ROCK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,445 sqft Built 1996
Raw Value $456,413
Adjusted Value $516,337

Adjusted +$64,126 for 315 sqft more living space and -$4,202 for being older. Net adjustment: +$59,924.

3720 TOP ROCK LN, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,445 sqft Built 1997
Raw Value $461,665
Adjusted Value $522,989

Adjusted +$64,126 for 315 sqft more living space and -$2,802 for being older. Net adjustment: +$61,324.

The Neighborhood

This home is valued 8.7% below the R107503F - PRESERVE AT STONE OAK - PH 3 & 4 median of $368,194. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 10.9% over the past year.

R107503F - PRESERVE AT STONE OAK - PH 3 & 4

typical
1,045 Properties
$368,194 Median Value
-10.9% YoY Change
1% Have Pool
99% Have Garage
This Home
$336,120
Median
$368,194

This home is -8.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,048 across all districts. With a homestead exemption claimed, that drops to $4,735 — saving $1,313 per year. That's $395 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$3,002
Round RockCity0.3720%$1,250
Williamson CountyCounty0.3694%$1,242
Austin Community Collegespecial0.1034%$348
Williamson County FM/RdCounty0.0443%$149
Upper Brushy Creek WCIDWater0.0170%$57
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,048

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $385,069 would pay approximately $2,404 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

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